OFFSET
2,1
COMMENTS
An entropy power function based on the PrimePi distribution with N=n/PrimePi[n].
This function doesn't work as well as n/log(n).
REFERENCES
C. E. Shannon, The Mathematical Theory of Communication, page 93
MATHEMATICA
digits=25*200 f[n_]=Floor[2*Pi*PrimePi[n]/E] a=Delete[Union[Table[If [PrimeQ[f[n]]==True, f[n], 0], {n, 2, digits}]], 1]
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Jan 31 2004
STATUS
approved